The Effects of Content of Carbon Fiber, Test Temperature and Notch Radius on Fatigue Strength of CFRTP.

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  • 熱可塑性ＣＦＲＴＰの疲労強度に及ぼす炭素繊維含有率，試験温度および切欠半径の影響
  • ネツ カソセイ CFRTP ノ ヒロウ キョウド ニ オヨボス タンソ センイ

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Abstract

For CFRTP of short carbon fibers in a resin matrix of polyacetal, the effects of carbon fiber content, temperature and notch radius on fatigue behavior have been investigated. Fatigue strength increases with increasing carbon fiber content and decreases with increasing test temperature. Logarithm of fatigue strength for CFRTP with 30% fiber content is proportional to the reciprocal of temperature, 1/T. However, the fatigue strength of CFRTP depends little on the notch radius.

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